/* 网站统一样式 */
html{
    font-size: 62.5%;
  }
  
  /* 1页面头部样式 */
  
  /* 1.1 头部导航 */
  
  header{
    background-image: url(./images/top_banner.jpg);
    background-position: center;
    background-repeat: no-repeat;
  }
  
  .top-nav {
    display: flex;
    align-items: center; /* 交叉轴（垂直）居中*/
    height: 3rem;
    font-size: 1.2rem;
  
    /* justify-content: space-between; */
  }
  
  .push-right {
    margin-left: auto;
  }
  
  .top-nav a {
    color: #a5a4a4;
    padding-right: 1rem;
  }
  
  /* 伪元素实现 “｜” 的现实 */
  .top-nav a:not(:last-of-type)::after {
    content: "|";
    margin-left: 1rem;
  }
  
  /* 1.2 网站Logo */
  div.logo {
    height: 10rem;
    /* background: url("../images/head.jpg") no-repeat center center; */
  }
  
  h1 {
    height: 10rem;
  }
  /* 2页面导航 */
  /* 2.1 一级菜单 */
  nav {
  width: 100%;
  height: 50px;
  background-color: #039268;
  display: flex;
  line-height: 50px;
  
  }
  
  nav a {
    color: #fff;
    display: block;
    text-align: center;
    height: 4rem;
    line-height: 4rem;
    text-decoration: none;
  }
  
  nav ul {
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
  }
  
  nav li {
    flex: 1;
  }
  
  nav li > a {
    font-size: 1.6rem;
  }
  
  /* 导航菜单第一个元素的默认风格 */
  nav li:first-of-type > a {
    color: #fff;
    background-color: #039268;
  }
  
  /* 鼠标覆盖的效果 */
  nav li:hover > a {
    color: #fff;
    background-color: #039268;
  }
  
  /* 2.2 二级菜单 */
  nav .sub-menu {
    display: none;
    position: absolute;
  }
  
  nav li:hover > ul.sub-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background-color: #039268;
    width: calc(120rem / 9);
  }
  
  nav ul.sub-menu a {
    color: #fff;
    font-size: 1.2rem;
  }
  
  nav ul.sub-menu li:hover > a {
    background-color: #039268;
  }
  .clear {
    display: block;
    overflow: hidden;
    clear: both;
    height: 0;
    line-height: 0;
    font-size: 0;
}
.banner_n {
  height: 250px;
  position: relative;
  left: 50%;
  margin-left: -960px;
  overflow: hidden;
}
img {
  border: none;
  vertical-align: middle;
  max-width: 100%;
}
.main-wrap {
  width: 100%;
  min-height: 540px;
}
.subroom {
  width: 1200px;
  height: auto;
  overflow: hidden;
  margin: 0 auto;
  position: relative;
  top: -65px;
}
.lsubcont {
  width: 260px;
}
.fl {
  float: left;
}
.lsub_tt {
  background: url(./images/sub_lbg.png);
  height: 65px;
}
.lsub_tt h1 {
  font-weight: normal;
  color: #fff;
  line-height: 65px;
  text-align: center;
}
.nymenu {
  margin: 0 auto;
  border: 1px solid #e6e6e6;
  border-top: none;
}
.sub_navv {
  margin: 0 auto;
  border-top: 0px solid #d8d8d8;
}
.sub_navv h1 {
  border-left: 4px solid #039268;
  height: 54px;
  line-height: 54px;
  background: #f4f4f4;
  text-indent: 20px;
  border-bottom: 1px solid #fff;
}
.sub_navv h1 a{
  text-decoration: none;
}
.sub_tt {
  padding: 10px;
  margin: 0 auto;
  height: 28px;
  background: #f1f1f1;
  border-bottom: 1px solid #e0e0e0;
}
.tit {
  width: 30%;
}
.tit span {
  color: #444;
  text-transform: uppercase;
  font-size: 18px;
  padding-left: 15px;
}
.tt_more {
  font-size: 14px;
  line-height: 28px;
}
.fr {
  float: right;
}
.tt_more a {
  font-size: 14px;
  line-height: 28px;
}

a {
  text-decoration: none;
  color: #444;
}
.sub_cont {
  padding: 15px;
  overflow: hidden;
  line-height: 24px;
  font-size: 14px;
  color: #494949;
}
.sub_cont h2 {
  font-size: 18px;
  color: #444;
  line-height: 43px;
  text-align: center;
  border-bottom: 1px dashed #e0e0e0;
}
.wzxxys {
  width: 80%;
  margin: 0 auto;
  line-height: 40px;
  color: #999;
  text-align: center;
}
.sub_about {
  padding-top: 10px;
}
.sub_about p {
  text-align: left; 
  line-height: 35px; 
  text-indent: 37px;
}
.sytxyt {
  border-top: solid 1px #ebebeb;
  padding-top: 20px;
  overflow: hidden;
  clear: both;
}
.sytxyt p {
  margin: 0;
}
.sytxyt a {
  line-height: 30px;
}

  /* 页面底部样式 */
footer{
    width: 100%;
    margin-top: 10px;
    background: #444444;
    color: #FFFFFF;
    font-size: 14px;
    text-align: center;
    padding: 20px 0px;
    line-height: 30px;
}